/**
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

#import "RCTWrapperViewController.h"

#import <AppKit/AppKit.h>

#import "RCTEventDispatcher.h"

#import "RCTUtils.h"
#import "RCTViewControllerProtocol.h"
#import "NSView+React.h"
#import "RCTAutoInsetsProtocol.h"

@implementation RCTWrapperViewController
{
  NSView *_wrapperView;
  NSView *_contentView;
  RCTEventDispatcher *_eventDispatcher;
  CGFloat _previousTopLayoutLength;
  CGFloat _previousBottomLayoutLength;

//@synthesize currentTopLayoutGuide = _currentTopLayoutGuide;
//@synthesize currentBottomLayoutGuide = _currentBottomLayoutGuide;

- (instancetype)initWithContentView:(NSView *)contentView
{
  RCTAssertParam(contentView);

  if ((self = [super initWithNibName:nil bundle:nil])) {
    _contentView = contentView;
   // self.automaticallyAdjustsScrollViewInsets = NO;
  }
  return self;
}


RCT_NOT_IMPLEMENTED(- (instancetype)initWithNibName:(NSString *)nn bundle:(NSBundle *)nb)
RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)

- (void)viewWillLayoutSubviews
{
  //[super viewWillLayoutSubviews];

//  _currentTopLayoutGuide = self.topLayoutGuide;
//  _currentBottomLayoutGuide = self.bottomLayoutGuide;
}

static BOOL RCTFindScrollViewAndRefreshContentInsetInView(NSView *view)
{
  if ([view conformsToProtocol:@protocol(RCTAutoInsetsProtocol)]) {
    [(id <RCTAutoInsetsProtocol>) view refreshContentInset];
    return YES;
  }
  for (NSView *subview in view.subviews) {
    if (RCTFindScrollViewAndRefreshContentInsetInView(subview)) {
      return YES;
    }
  }
  return NO;
}

- (void)viewDidLayoutSubviews
{
//  [super viewDidLayoutSubviews];
//
//  if (_previousTopLayoutLength != _currentTopLayoutGuide.length ||
//      _previousBottomLayoutLength != _currentBottomLayoutGuide.length) {
//    RCTFindScrollViewAndRefreshContentInsetInView(_contentView);
//    _previousTopLayoutLength = _currentTopLayoutGuide.length;
//    _previousBottomLayoutLength = _currentBottomLayoutGuide.length;
//  }
}
//
//static NSView *RCTFindNavBarShadowViewInView(NSView *view)
//{
//  if ([view isKindOfClass:[UIImageView class]] && view.bounds.size.height <= 1) {
//    return view;
//  }
//  for (UIView *subview in view.subviews) {
//    UIView *shadowView = RCTFindNavBarShadowViewInView(subview);
//    if (shadowView) {
//      return shadowView;
//    }
//  }
//  return nil;
//}

- (void)viewWillAppear:(BOOL)animated
{
//  [super viewWillAppear:animated];

  // TODO: find a way to make this less-tightly coupled to navigation controller
//  if ([self.parentViewController isKindOfClass:[NSNavigationController class]])
//  {
//    [self.navigationController
//     setNavigationBarHidden:_navItem.navigationBarHidden
//     animated:animated];
//
//    UINavigationBar *bar = self.navigationController.navigationBar;
//    bar.barTintColor = _navItem.barTintColor;
//    bar.tintColor = _navItem.tintColor;
//    bar.translucent = _navItem.translucent;
//    bar.titleTextAttributes = _navItem.titleTextColor ? @{
//      NSForegroundColorAttributeName: _navItem.titleTextColor
//    } : nil;
//
//    RCTFindNavBarShadowViewInView(bar).hidden = _navItem.shadowHidden;
//
//    UINavigationItem *item = self.navigationItem;
//    item.title = _navItem.title;
//    item.titleView = _navItem.titleImageView;
//#if !TARGET_OS_TV
//    item.backBarButtonItem = _navItem.backButtonItem;
//#endif //TARGET_OS_TV
//    item.leftBarButtonItem = _navItem.leftButtonItem;
//    item.rightBarButtonItem = _navItem.rightButtonItem;
//  }
}

- (void)loadView
{
  // Add a wrapper so that the wrapper view managed by the
  // UINavigationController doesn't end up resetting the frames for
  //`contentView` which is a react-managed view.
  _wrapperView = [[NSView alloc] initWithFrame:_contentView.bounds];
  [_wrapperView addSubview:_contentView];
  self.view = _wrapperView;
}

- (void)didMoveToParentViewController:(NSViewController *)parent
{
  // There's no clear setter for navigation controllers, but did move to parent
  // view controller provides the desired effect. This is called after a pop
  // finishes, be it a swipe to go back or a standard tap on the back button
//  [super didMoveToParentViewController:parent];
//  if (parent == nil || [parent isKindOfClass:[UINavigationController class]]) {
//    [self.navigationListener wrapperViewController:self
//                     didMoveToNavigationController:(UINavigationController *)parent];
//  }
}

@end
